Nikitenko, R., K. Vorotyntseva, S. Degtiarenko, V. Mishchenko, and E. Stepanovichus. “Results of Transanal Endoscopic Resections in Rectal Cancer”. Journal of Education, Health and Sport 12, no. 6 (June 30, 2022): 336–343. Accessed January 27, 2025. https://apcz.umk.pl/JEHS/article/view/39118.